SD cards usable with the SP-404SX
The SP-404SX supports SDHC/SD cards up to a capacity of 32 GB.
Preparing an SD card for use
Before you can use a commercially available SD card with the SP-404SX, you must format it as described in “Formatting an SD card" However, do not format the SD card that was included with the SP-404SX. All of the preload data on the card will disappear if you format the included SD card.
The SD card must be unlocked!
The SP-404SX will be unable to function properly if the SD card is locked. (“LoC” will appear
in the display.) Make sure that the SD card is not locked.